转动条件下Q345B钢在人工海水中阴极保护效果试验研究

郑中逸, 冯毅翔, 宋沁峰, 甘甜思雨, 苑旺, 董亮

Effectiveness of Cathodic Protection on Rotating Test-piece of Q345B Steel in Artificial Seawater

ZHENG Zhongyi, FENG Yixiang, SONG Qinfeng, GAN Tiansiyu, YUAN Wang, DONG Liang

表2 不同频率下阴极保护试样的EDS测试结果

Table 2 EDS analysis results of cathodically protected Q345B samples after tests at different frequencies

Frequencies / r·d-1 Element Line type Mass fraction / % Mass fraction / % σ Atomic fraction / % 0.010 Mg K-line system 97.76 0.28 98.79 Ca 1.32 0.13 0.81 Fe 0.93 0.25 0.41 0.015 Mg K-line system 97.42 0.31 98.63 Ca 1.31 0.14 0.80 Fe 1.27 0.28 0.56 0.020 Mg K-line system 80.52 0.36 87.56 Ca 17.56 0.26 11.39 Fe 2.22 0.32 1.05